Line data    Source code

       1             : /*
       2             :  * Copyright (c) 2015 Cisco and/or its affiliates.
       3             :  * Licensed under the Apache License, Version 2.0 (the "License");
       4             :  * you may not use this file except in compliance with the License.
       5             :  * You may obtain a copy of the License at:
       6             :  *
       7             :  *     http://www.apache.org/licenses/LICENSE-2.0
       8             :  *
       9             :  * Unless required by applicable law or agreed to in writing, software
      10             :  * distributed under the License is distributed on an "AS IS" BASIS,
      11             :  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             :  * See the License for the specific language governing permissions and
      13             :  * limitations under the License.
      14             :  */
      15             : #undef BIHASH_TYPE
      16             : #undef BIHASH_KVP_PER_PAGE
      17             : #undef BIHASH_32_64_SVM
      18             : #undef BIHASH_ENABLE_STATS
      19             : #undef BIHASH_KVP_AT_BUCKET_LEVEL
      20             : #undef BIHASH_LAZY_INSTANTIATE
      21             : #undef BIHASH_BUCKET_PREFETCH_CACHE_LINES
      22             : #undef BIHASH_USE_HEAP
      23             : 
      24             : #define BIHASH_TYPE _8_8_stats
      25             : #define BIHASH_KVP_PER_PAGE 4
      26             : #define BIHASH_ENABLE_STATS 1
      27             : #define BIHASH_KVP_AT_BUCKET_LEVEL 0
      28             : #define BIHASH_LAZY_INSTANTIATE 1
      29             : #define BIHASH_BUCKET_PREFETCH_CACHE_LINES 1
      30             : #define BIHASH_USE_HEAP 1
      31             : 
      32             : #ifndef __included_bihash_8_8_stats_h__
      33             : #define __included_bihash_8_8__stats_h__
      34             : 
      35             : #include <vppinfra/heap.h>
      36             : #include <vppinfra/format.h>
      37             : #include <vppinfra/pool.h>
      38             : #include <vppinfra/xxhash.h>
      39             : #include <vppinfra/crc32.h>
      40             : 
      41             : /** 8 octet key, 8 octet key value pair */
      42             : typedef struct
      43             : {
      44             :   u64 key;                      /**< the key */
      45             :   u64 value;                    /**< the value */
      46             : } clib_bihash_kv_8_8_stats_t;
      47             : 
      48             : static inline void
      49     7566580 : clib_bihash_mark_free_8_8_stats (clib_bihash_kv_8_8_stats_t *v)
      50             : {
      51     7566580 :   v->value = 0xFEEDFACE8BADF00DULL;
      52     7566580 : }
      53             : 
      54             : /** Decide if a clib_bihash_kv_8_8_t instance is free
      55             :     @param v- pointer to the (key,value) pair
      56             : */
      57             : static inline int
      58    24865200 : clib_bihash_is_free_8_8_stats (clib_bihash_kv_8_8_stats_t * v)
      59             : {
      60    24865200 :   if (v->value == 0xFEEDFACE8BADF00DULL)
      61     9465270 :     return 1;
      62    15400000 :   return 0;
      63             : }
      64             : 
      65             : /** Hash a clib_bihash_kv_8_8_t instance
      66             :     @param v - pointer to the (key,value) pair, hash the key (only)
      67             : */
      68             : static inline u64
      69     7451910 : clib_bihash_hash_8_8_stats (clib_bihash_kv_8_8_stats_t * v)
      70             : {
      71             :   /* Note: to torture-test linear scan, make this fn return a constant */
      72             : #ifdef clib_crc32c_uses_intrinsics
      73     7451910 :   return clib_crc32c ((u8 *) & v->key, 8);
      74             : #else
      75             :   return clib_xxhash (v->key);
      76             : #endif
      77             : }
      78             : 
      79             : /** Format a clib_bihash_kv_8_8_t instance
      80             :     @param s - u8 * vector under construction
      81             :     @param args (vararg) - the (key,value) pair to format
      82             :     @return s - the u8 * vector under construction
      83             : */
      84             : static inline u8 *
      85           0 : format_bihash_kvp_8_8_stats (u8 * s, va_list * args)
      86             : {
      87           0 :   clib_bihash_kv_8_8_stats_t *v =
      88             :     va_arg (*args, clib_bihash_kv_8_8_stats_t *);
      89             : 
      90           0 :   s = format (s, "key %llu value %llu", v->key, v->value);
      91           0 :   return s;
      92             : }
      93             : 
      94             : /** Compare two clib_bihash_kv_8_8_t instances
      95             :     @param a - first key
      96             :     @param b - second key
      97             : */
      98             : static inline int
      99     9210620 : clib_bihash_key_compare_8_8_stats (u64 a, u64 b)
     100             : {
     101     9210620 :   return a == b;
     102             : }
     103             : 
     104             : #undef __included_bihash_template_h__
     105             : #include <vppinfra/bihash_template.h>
     106             : 
     107             : #endif /* __included_bihash_8_8_stats_h__ */
     108             : 
     109             : /*
     110             :  * fd.io coding-style-patch-verification: ON
     111             :  *
     112             :  * Local Variables:
     113             :  * eval: (c-set-style "gnu")
     114             :  * End:
     115             :  */